Analysis
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max time kernel
141s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
08/12/2023, 09:18
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE0987650009.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
INVOICE0987650009.exe
Resource
win10v2004-20231130-en
General
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Target
INVOICE0987650009.exe
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Size
757KB
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MD5
49eca8d1b29bfaec20599239db6f10da
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SHA1
ee605018797e3a9408e24b7ec0767ef5e096ac16
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SHA256
dfd724316cb0edbf1212cbf5e71f007d22b7a38e7860d96d4d4bedf17eaa85ea
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SHA512
a0d1d7910314cc76bdfa46b6f8cdc9909d850f7fe320be943c16bb6da86b213b23148b331626492a07fedda1932e9d09d4fd10faeb00171e43cdd801cfb71220
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SSDEEP
12288:HDWMD9ehE+uDneLBQt20dup/20AQBOLdxD4N1fahKDwancwk6pvxT0K0jlyOJN9I:FefZ27zZPdnjImBOQX
Malware Config
Extracted
remcos
RemoteHost
107.175.229.139:8087
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-IZFV1M
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe Powershell.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4776 set thread context of 4432 4776 INVOICE0987650009.exe 93 -
Program crash 1 IoCs
pid pid_target Process procid_target 640 4432 WerFault.exe 93 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4344 Powershell.exe 4344 Powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4344 Powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4776 wrote to memory of 4344 4776 INVOICE0987650009.exe 90 PID 4776 wrote to memory of 4344 4776 INVOICE0987650009.exe 90 PID 4776 wrote to memory of 4344 4776 INVOICE0987650009.exe 90 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93 PID 4776 wrote to memory of 4432 4776 INVOICE0987650009.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE0987650009.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE0987650009.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\INVOICE0987650009.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"2⤵PID:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 5323⤵
- Program crash
PID:640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4432 -ip 44321⤵PID:1320
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82